Cushion|Lab Grown|IGI

3.05ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG839647923

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG839647923

Diamond specifications and retailer prices

From £382 GBP
HK$4,000 HKD
As of October 30, 2026
Save £1,521 GBP (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,903 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839647923 or 839647923. Listed at 14 retailers as of October 30, 2026, with prices from £382 to £1,903, a £1,521 spread on the same certified stone. Brilliant Earth lists it at £1,903. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.05
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839647923
Dimensions8.42 × 8.04 × 5.30 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.42 mm8.04 mm3.05 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839647923
Side View
Table 59.0%Crown 35°Girdle: MED-THKPavilion 33°Culet: NoneDepth 65.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £1,903 GBP|Low: £311 GBP|High: £1,903 GBP|Avg: £878 GBP|+1.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 24, 2026
Retailer 7£311 GBP
Retailer 13£382 GBP
Retailer 2£396 GBP
Retailer 14£522 GBP
Retailer 12£536 GBP
Retailer 4£552 GBP
Retailer 5£580 GBP
Retailer 10£619 GBP
Retailer 6£766 GBP
Retailer 9£1,116 GBP
Retailer 8£1,310 GBP
Retailer 15£1,357 GBP
Retailer 3£1,452 GBP
Retailer 11£1,499 GBP
Brilliant Earth£1,903 GBP

16 data points across 15 retailers

14 retailers£382 GBP to £1,903 GBP

A
Cheapest Retailer
-
£382 GBP
HK$4,000 HKD
Retailer 2
-
£396 GBP
View
Price last confirmed 8 days ago
Retailer 3
-
£522 GBP
$700 USD
View
Price last confirmed 9 days ago
Retailer 4
-
£536 GBP
€684 EUR
View
Price last confirmed 9 days ago
Retailer 5
-
£552 GBP
$739 USD
View
Price last confirmed 9 days ago
Retailer 6
-
£580 GBP
$777 USD
View
Price last confirmed 9 days ago
Retailer 7
-
£619 GBP
View
Price last confirmed 8 days ago
A
Retailer 8
-
£766 GBP
$1,027 USD
View
Retailer 9
-
£1,116 GBP
SGD 2,020 SGD
View
Price last confirmed 8 days ago
Retailer 10
-
£1,310 GBP
$1,755 USD
View
Price last confirmed 8 days ago
Retailer 11
-
£1,357 GBP
View
Price last confirmed 11 days ago
Retailer 12
-
£1,452 GBP
$1,945 USD
View
Price last confirmed 11 days ago
Retailer 13
-
£1,499 GBP
$2,008 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21808114A · Oct 31
£1,903 GBP
$2,550 USD
View
13 more retailers have this diamond
Prices start from £382 GBPSave up to £1,521 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.05ct Cushion
£382 GBP